<template>
  <el-image
    :src="`${realSrc}`"
    fit="cover"
    :style="`width:${realWidth};height:${realHeight};`"
    :preview-src-list="realSrcList"
  >
    <div slot="error" class="image-slot">
      <i class="picture-outline"></i>
    </div>
  </el-image>
</template>

<script lang="ts" setup>
import { isExternal } from "@/utils/validate";
const emit = defineEmits();
const props = defineProps({
  modelValue: {
    type: String,
    required: true,
  },
  width: {
    type: [Number, String],
  },
  height: {
    type: [Number, String],
  },
});

const url = computed({
  get() {
    return props.modelValue;
  },
  set(value) {
    emit("update:modelValue", value);
  },
});
const realSrc = computed(() => {
  let real_src = url.value.split(",")[0];
  if (isExternal(real_src)) {
    return real_src;
  }
  return import.meta.env.VUE_APP_BASE_API + real_src;
});

const realSrcList = computed(() => {
  let real_src_list = url.value.split(",");
  let srcList = [];
  real_src_list.forEach((item) => {
    if (isExternal(item)) {
      return srcList.push(item);
    }
    return srcList.push(import.meta.env.VUE_APP_BASE_API + item);
  });
  return srcList;
});

const realWidth = computed(() => {
  return typeof props.width == "string" ? props.width : `${props.width}px`;
});

const realHeight = computed(() => {
  return typeof props.height == "string" ? props.height : `${props.height}px`;
});

</script>

<style lang="scss" scoped>
.el-image {
  border-radius: 5px;
  background-color: #ebeef5;
  box-shadow: 0 0 5px 1px #ccc;
  :v-deep .el-image__inner {
    transition: all 0.3s;
    cursor: pointer;
    &:hover {
      transform: scale(1.2);
    }
  }
  :v-deep .image-slot {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: #909399;
    font-size: 30px;
  }
}
</style>
